Spark John Ratey Pdf Download ((new)) Online

Exercise acts like a "psychiatric drug" by naturally boosting serotonin, norepinephrine, and dopamine levels, which helps regulate mood and attention.

John Ratey's Spark: The Revolutionary New Science of Exercise and the Brain spark john ratey pdf download

Dr. Ratey dedicates a significant portion of the book to ADD. He explains that the ADHD brain suffers from a shortage of dopamine and norepinephrine—the chemicals responsible for focus and impulse control. Exercise acts like a dose of Ritalin or Adderall by naturally stimulating the release of these chemicals. Complex exercises, like martial arts or tennis, which require focus and coordination, are particularly effective because they engage the cerebellum and the frontal cortex simultaneously. Exercise acts like a "psychiatric drug" by naturally